26923643849953 has 2 divisors, whose sum is σ = 26923643849954. Its totient is φ = 26923643849952.

The previous prime is 26923643849563. The next prime is 26923643850343. The reversal of 26923643849953 is 35994834632962.

It is a balanced prime because it is at equal distance from previous prime (26923643849563) and next prime (26923643850343).

It can be written as a sum of positive squares in only one way, i.e., 21759873903504 + 5163769946449 = 4664748^2 + 2272393^2 .

It is a cyclic number.

It is not a de Polignac number, because 26923643849953 - 2¹³ = 26923643841761 is a prime.

It is a super-2 number, since 2×26923643849953² (a number of 28 digits) contains 22 as substring.

It is a lonely number, since its distance to closest prime (26923643850343) sets a new record.

It is not a weakly prime, because it can be changed into another prime (26923643849153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13461821924976 + 13461821924977.

It is an arithmetic number, because the mean of its divisors is an integer number (13461821924977).

Almost surely, 2^{26923643849953} is an apocalyptic number.

It is an amenable number.

26923643849953 is a deficient number, since it is larger than the sum of its proper divisors (1).

26923643849953 is an equidigital number, since it uses as much as digits as its factorization.

26923643849953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1813985280, while the sum is 73.

The spelling of 26923643849953 in words is "twenty-six trillion, nine hundred twenty-three billion, six hundred forty-three million, eight hundred forty-nine thousand, nine hundred fifty-three".